package com.itlaobing.test2;

import java.util.List;

public class ExtenasTest {

	public static void main(String[] args) {
		Student student=new Student();

//		int i=1;
//		Integer integer=-1;
		BoyStudent boyStudent=new BoyStudent();
		boyStudent.setCode(1234);
		System.out.println(boyStudent.getCode());
		
	}
}
